Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/02—Services making use of location information
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
  • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
  • G01S19/13—Receivers
  • G01S19/14—Receivers specially adapted for specific applications
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
  • G01S5/0009—Transmission of position information to remote stations
  • G01S5/0018—Transmission from mobile station to base station
  • G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks
  • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
  • H04L12/2854—Wide area networks, e.g. public data networks
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L61/00—Network arrangements, protocols or services for addressing or naming
  • H04L61/50—Address allocation
  • H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network arrangements or protocols for supporting network services or applications
  • H04L67/01—Protocols
  • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/02—Services making use of location information
  • H04W4/029—Location-based management or tracking services
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W76/00—Connection management
  • H04W76/10—Connection setup
  • H04W76/11—Allocation or use of connection identifiers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L2101/00—Indexing scheme associated with group H04L61/00
  • H04L2101/60—Types of network addresses
  • H04L2101/69—Types of network addresses using geographic information, e.g. room number

Definitions

• the present invention relates to a method for operating a field device for performing measurement and / or automation tasks in a wide-area automation network. Furthermore, the present invention comprises such a field device for performing measurement and / or automation tasks in a wide-area automation network. In addition, the present invention comprises a server for a wide-area automation network for operating at least one field device for performing measurement and / or automation tasks.
• Automation networks formed that are spread over a wide area, so that individual field devices of the automation network are sometimes 100 meters or more apart. The operation of such a wide-area automation network is made difficult, the individual components, such as the field devices, are widely distributed, and an on-site access is therefore associated with great expense and cost.
• automation networks have been formed in part by merging existing, partially local networks, which should sometimes continue to be operated in such a structure, resulting in further demands on the communication within the automation network. Even if individual field devices partially perform similar tasks, it is often necessary to configure them specifically so that they can fulfill their function. The commissioning in the automation network also requires one each individual configuration.
• Such automation networks are associated with, for example
• Supply networks for example, for the distribution of electricity, gas, water or the like used.
• a supply network for electricity which includes such an automation network.
• additional demands are placed on the operators of such supply networks in order to operate the supply network efficiently.
• additional requirements arise, for example, for a local network station belonging to a local area network within an energy distribution network.
• the flow of energy usually flowed from the power plants via a medium-voltage level and at least one local network station to the local networks, without any return currents having occurred, for example, in the medium-voltage level.
• the invention is therefore an object of the invention to provide a method, a field device and a server of the type mentioned above, the simple operation and easy commissioning of a field device in a
• a method for operating a field device for performing measurement and / or automation tasks in an automation network comprises the steps of detecting the position of the field device in the field device, generating a data record identifying the field device with the position and a unique identifier of the field device, transmitting the data record from the field device to a server of the automation network, assigning an identifier the field device identified by the record, transmitting the identifier from the server to the field device, and communicating in the automation network using the identifier.
• the field device comprises a position detection unit which is designed to detect the position of the field device
• a processing unit for generating a field device identifying record with the detected position and a unique identifier of the field device and a communication unit that is configured to transmit the record to a server of the automation network and to receive an identifier from the server, wherein the field device is executed to communicate with the automation network using the identifier.
• a server for an automation network for operating at least one field device for performing measurement and / or automation tasks is specified according to the invention.
• the server comprises a server communication unit and an allocation unit configured to assign an identifier to a field device identified by a position and a unique identifier record, the server communication unit being adapted to receive the record from the field device and to supply the identifier to the field device and the server is running to communicate with the field device using the identifier.
• the basic idea of the present invention is therefore to facilitate the communication with the field device in the automation network by an unambiguous assignment of the position and a unique identifier of the field device so that the field device can be used with the identifier assigned by the server for communication.
• This assignment can take place at any time, so that it is not necessary to carry out an error-prone pre-allocation. Commissioning is made easier, as the assignment is automatic.
• the given in wide automation networks distances between individual decentralized stations, such as decentralized power supplies, the unique assignment of the identifier with a sufficient accuracy is possible, even if the position only with a fault tolerance, usually in the range of less than 100 m, preferably in the range by Max . 10 m can be determined.
• the distances between individual decentralized stations may typically be about 100 meters or more, sometimes about 10 meters or more.
• the Detecting the position of the field device takes place as an absolute, geographical position. It takes place in the
• Position detection unit can be performed in any way.
• the position of the field device can be input manually in any format into the field device and provided to the position detection unit.
• the field device is designed to automatically initiate the transmission of the data record at the first start, so that all further communication with the identifier can take place.
• the field device is designed to transmit the data record by an operator, for example by an initialization button.
• the unique identifier of the field device preferably comprises a serial number of the field device or a component of the field device, a permanently assigned network address, for example a Mac address, a telephone number or the like.
• the unique identifier may also be a unique identifier assigned to the field device specifically for the identification, which identifier is allocated, for example, by the manufacturer of the field device.
• the communication unit and the server communication unit can each be implemented independently. They can perform communication over a wired or wireless network, e.g. GSM, GPRS, Wi-Fi, Ethernet, Powerline or others required for communication in the
• Automation network are used without being an integral part of the automation network.
• the communication unit or the server communication unit can be designed as network adapters for connection to the network.
• the connection between the field device and the server can be established via an Internet connection.
• the automation network enables communication of the Field device, for example, with a control center, wherein the network may include at least one public communication network.
• the network is part of the automation network to enable communication with the field device.
• the field device is designed to store the identifier. This allows the field device to communicate immediately upon reboot using this identifier.
• the identifier can be any combination of characters, such as an alphanumeric name. Record means the combination of the position and the unique identifier. This is independent of the way in which the position and the unique identifier are transmitted from the field device to the server. For example, the position and the unique identifier may be in different data packets and even over different ones
• the field device is an otherwise conventional field device for performing measurement and / or automation tasks, for example for measuring decentrally generated and injected energy, wherein in a further embodiment, the feed is controlled by the field device alternatively or additionally.
• the server provides the identifier of at least one further component of the automation network, eg, a control center, so that communication between the field device and this further component can take place using the identifier.
• the step of detecting the position of the field device comprises the evaluation of position data, in particular of satellite position data.
• the position data may be any data that is suitable, one of them absolute, geographical position to determine.
• Satellite position data for example after the
• the step of detecting the position of the field device comprises connecting the field device to a receiver for position data, in particular for
• the field device has an interface for the connection to a receiver for position data, in particular for
• Position detection unit is executed to receive position data from the receiver for position data via the interface.
• it is often sufficient to record the position once for operation. Accordingly, it is possible to dispense with the execution of field devices with elaborate receivers for position data as well as a complex position detection.
• the field device can be manufactured inexpensively and easily.
• the field device comprises a receiver for position data, in particular for satellite position data.
• the corresponding field device is characterized by a simple installation, since for operation and in particular for commissioning only the field device itself must be connected from the automation network.
• the position data receiver may be implemented as a simple receiver which transmits the received position data directly to the position detection unit, or the receiver comprises a processing unit which transmits the position data
• the processing of the position data may include the determination of the position of the field device.
• the method comprises the additional steps of comparing the position of the field device identified by the data set with positions of field devices known in the automation network, and transmitting the identifier of a known field device with the same position to the field device identified by the data set
• the server is adapted to compare the position of the field device identified by the data set with positions of field devices known in the automation network, and to transmit the identifier of a known field device with the same position to the field device identified by the data set.
• the unique identifier By comparing the unique identifier can be additionally checked whether it is located at the position field device that sends a record again to the server.
• the server can do that Use positions of field devices known to him for comparison. If a plurality of servers are used in the automation network, the server can additionally use known field devices for comparison to other servers.
• the comparison of the position is preferably carried out taking into account a tolerance for the position of the field device, which lies in the range of the tolerance for the detection of the position of the field device.
• the method comprises the additional step of transmitting configuration data from the server to the field device as a function of the position of the field device.
• the server is designed to transmit configuration data to the field device taking into account the position.
• the field device is designed to receive configuration data from the server.
• the configuration data can relate both to the operation of the function of the field device, ie its measurement function and / or its control function, as well as the communication via the communication unit. Any other components of the field device can be configured accordingly. Due to the configuration taking into account the position of the field device, this can be used efficiently in the automation network.
• the server transmits map information to the field device.
• the map information is preferably transmitted taking into account the position of the field device.
• the step of assigning an identifier to the field device identified by the data record comprises generating a logical name taking into account the position of the field device.
• the allocation unit is designed to associate the field device identified by a data record with the position and a unique identifier with a logical name taking into account the position of the field device.
• the assignment of a logical name allows easy integration of the field device in the automation network. A corresponding integration into the supply network is facilitated. Maintenance work on the field device are facilitated by the fact that the maintenance personnel can conclude, for example, based on the identifier on its position.
• the communication unit is designed to transmit the data record to a server of the automation network, taking into account the position of the field device. For example, when using multiple servers in the automation network based on the position of the field device, the geographically nearest and / or competent server may be selected by the field device to initiate communication therewith.
• the field device is designed, taking into account its position, to carry out a position-related configuration of the communication unit for communication with the server, in particular for transmitting the data record and receiving the identifier.
• the positional configuration of the communication unit includes, for example, a country-specific
• Telecommunication connection in accordance with executed communication unit.
• transmission protocols to be used dial-in nodes, prefixes required for this purpose or the like can be preconfigured in the latter depending on the position of the field device.
• a configuration is made by the server.
• FIG. 1 is a schematic view of a field device according to an embodiment of the present invention
• FIG. 2 is a schematic view of a server of FIG
• Embodiment of the present invention for communication with the field device of Fig. 1,
• FIG. 3 shows the method for operating the field device from FIG.
• the field device 1 shows an inventive field device 1 according to a first embodiment of the invention.
• the field device 1 is to carry out measuring and / or
• the automation network is executed here by way of example for communication according to the Ethernet standard and part of a supply network for the distribution of electrical energy, in which the field devices 1 are sometimes 100 meters or more apart.
• the field device 1 comprises a measuring unit 2 for measuring one of a decentralized power generation unit, for example one
• Photovoltaic system or a wind turbine generated and fed into the grid power.
• Automation network the power generation unit and the supply network are not shown in the figures.
• the field device 1 further comprises a
• Position detection unit 3 and a receiver 4 for position data are implemented in this embodiment as a GPS receiver for receiving satellite position data.
• the receiver 4 is implemented in this embodiment as a GPS receiver for receiving satellite position data.
• Position detecting unit 3 is implemented by the position data receiver 4
• the receiver 4 for position data is executed separately from the field device 1.
• the field device 1 comprises an interface for connection to the position data receiver 4, and the position detection unit 3 is adapted to receive the position data from the position data receiver 4 via the interface.
• the field device 1 further comprises a processing unit 5 and a communication unit 6
• Communication unit 6 is executed in this embodiment as a network adapter according to the Ethernet standard for the connection to the automation network and accordingly has a MAC address that represents a unique identifier.
• the communication unit is implemented as a DSL or GSM / GPRS modem for connection to a corresponding network, wherein the communication unit 6 has corresponding unique identifiers, for example a telephone number for establishing the GSM / GPRS connection via the GSM - / GPRS modem.
• a serial number is also stored, which identifies the field device 1 as a unique identifier and can be read by the processing unit 5.
• Processing unit 5 is designed to generate a data set identifying field device 1.
• the processing unit 5 is designed to generate the data record with the position detected by the position detection unit 3, the serial number of the field device 1 and the MAC address of the communication unit 6.
• the communication unit 6 is furthermore designed to transmit the data record to a server 10 of the automation network, which is shown in detail in FIG. 2, and to receive messages from the server 10.
• the server 10 is designed as a server 10 for the automation network for operating at least one field device 1 for performing measurement and / or automation tasks.
• Embodiment comprises a plurality of servers 10, each of which has a similar structure.
• the server 10 includes a server communication unit 11 configured to receive the data set identifying the field device 1 therefrom.
• the server 10 further comprises an allocation unit 12, which is designed to assign an identifier to the field device 1 identified by the data record. The identifier is in this
• Embodiment an alphanumeric string.
• the server communication unit 11 is further configured to transmit the identifier to the field device 1.
• the server 10 is additionally designed to compare the position of the field device 1 identified by the data record with positions of field devices 1 known in the automation network. If the comparison reveals that the field device 1 identified by the data record is positioned at the position of an already known field device 1, this is recognized as an exchange of the corresponding field device 1 and the identifier of the known field device 1 is positioned at the same point and through the device Record identified field device 1 transferred.
• Field device 1 and server 10 are designed to communicate with each other using the identifier associated with field device 1.
• the server 10 is also designed to transmit configuration data to the field device 1 taking into account its position.
• the field device 1 is designed to receive this configuration data from the server 10.
• the field device 1 performs a configuration based on this configuration data so that it is automatically integrated into the automation network and the supply network.
• a first step 100 the position of the field device 1 in the field device 1 is detected.
• the satellite position data is transmitted from the receiver 4 for position data to the position detection unit 3, which detects the position of the field device 1 therefrom.
• the position in the position data receiver 4 is detected and the position is transmitted to the position detection unit 3.
• a step 110 the data set identifying the field device 1 with the position of the field device 1 and the MAC address of the communication unit 6 and the serial number of the field device 1 in the processing unit 5 is generated in the processing unit 5.
• step 120 the data record is transmitted from the processing unit 5 to the communication unit 6, which transmits it to the server 10 via the automation network. It is the
• Communication unit 6 executed to transmit the record taking into account the position of the field device 1. Accordingly, a server 10 of the automation network is selected, which is located in geographical proximity to the field device 1 and is responsible for the position of the field device 1. Furthermore, the field device 1 is executed before the transmission of the data record to perform a configuration of the communication unit 6 based on the position of the field device 1.
• the configuration of the communication unit 6 serves to enable communication with the server 10, for example, by making country-specific settings. If the communication unit 6 is a GSM / GPRS modem, corresponding prefixes and a dial-in number for the connection to the
• step 140 in the allocation unit 12 of the server 10, based on the data record received from the server communication unit 11, the field device 1 identified by this data set is assigned the alphanumeric identifier. For this purpose, the position of the field device 1 is compared with positions of field devices 1 known in the automation network. If in the
• Automation network already a field device 1 is known at the position, the identifier of the known field device 1 is assigned to the identified by the record field device 1. Accordingly, the field device 1 is recognized and treated with the same position as an exchange of the previous field device 1.
• the assignment of the identifier to the field device 1 identified by the data record involves generating a logical name taking into account the position and / or the function of the field device 1.
• step 150 the identifier is transmitted from the server 10 to the field device 1.
• the identifier is transmitted from the allocation unit 12 to the server communication unit 11, which transmits via the
• Automation network to the communication unit 6 of the field device 1 performs. From the communication unit 6 of the field device 1, the identifier is transmitted to the processing unit 5 and stored therein.
• step 160 communication takes place in the automation network using the identifier.
• the field device 1 can communicate with any units in the automation network to which the identifier is made available by the server 10.
• the server 10 can be executed exclusively for the assignment of the identifier and its transmission to the field device 1, while the rest of the function of the automation network on at least one other central computer, such as a control center, is performed.
• step 170 as part of the communication in the automation network, configuration data is transmitted from the server 10 to the field device 1 in response to the position of the field device 1 to configure it as described above. Step 170 is optional.
• the step 100 of detecting the position of the field device 1 comprises further individual steps given below, wherein the remaining method can be carried out identically.
• step 101 the field device 1 is connected to receiver 4 for position data.
• the connection is made via the corresponding interface to the field device. 1
• step 102 the receiver 4 receives satellite position data.
• step 103 the satellite position data received by the receiver 4 is transmitted to the field device 1.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Computing Systems (AREA)
• General Health & Medical Sciences (AREA)
• Medical Informatics (AREA)
• Mobile Radio Communication Systems (AREA)
• Position Fixing By Use Of Radio Waves (AREA)

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Citations (6)

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• 2013
  • 2013-01-14 WO PCT/EP2013/050545 patent/WO2013107704A1/fr not_active Ceased
  • 2013-01-14 US US14/372,721 patent/US20150018006A1/en not_active Abandoned
  • 2013-01-14 CN CN201380005702.2A patent/CN104115028B/zh not_active Expired - Fee Related
  • 2013-01-14 EP EP13701229.0A patent/EP2805185B1/fr active Active

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